Chelsea and Micaela each improved their yards by planting grass sod and ivy. They bought their supplies from the same store. Chelsea spent $120 on 12 ft of grass sod and 8 pots of ivy.
Micaela spent $48 on 6 ft of grass sod and 3 pots of ivy. What is the cost of one ft of grass sod
and the cost of one pot of ivy?

hello,

elba writes the following proof for the theorem: if the diagonals of a quadrilateral bisect each other, the quadrilateral is a parallelogram:

elba's proof

1. for triangles aob and cod, angle 1 is equal to angle 2 as they are vertical angles.

2. ao = oc and bo = od because it is given that diagonals bisect each other.

3. therefore, the triangles aob and cod are congruent by sas postulate.

4. similarly, triangles aod and cob are congruent.

5. by cpctc, angle abd is equal to angle cdb and angle adb is equal to angle cbd.

6. as the are congruent, the opposite sides of quadrilateral abcd are parallel.

7. therefore, abcd is a parallelogram.

which is the missing phrase in elba's proof?

answer - opposite

there is no dot plot shown below.

answer: lady's and defaults may i have your attention your answer is -10